$OpenBSD: patch-utils_c,v 1.2 2012/08/06 20:45:49 naddy Exp $
--- utils.c.orig	Wed Sep  9 16:31:16 1992
+++ utils.c	Mon Aug  6 22:44:40 2012
@@ -25,8 +25,11 @@ Please read the file COPYRIGHT for further details.
 #else
 #include <sys/resource.h>
 #endif
+#include <stdlib.h>
+#include <unistd.h>
 #include "globals.h"
 
+extern void initialize_siglist A((void)) ;
 
 /* Signal handler, print message and exit */
 SIG_HANDLER_RET exitsig(sig)
@@ -70,7 +73,7 @@ char *s ;
 
 /* set up signal handling. All except TSTP, CONT, CLD, and QUIT
  * are caught with exitsig(). */
-init_signals()
+void init_signals()
 {
     int i ;
 #ifdef SIG_SETMASK		/* only with BSD signals */
